Providing code samples for quickly reuse. catalog as follow:
$ tree -d -L 2
.
├── algorithm-sample
├── awk-sample
├── bash-sample
├── hadoop-sample
├── html-sample
├── java-sample
│ ├── jdk-sample
│ ├── log4j
│ └── logback
├── maven-sample
│ └── maven-conf
└── zookeeper-sample
Documents please refer: yx91490's blog